Centrifugal milk-tester



(No Model.) 7

N. G. WILLIAMS.

OENTRIPUGAL. MILK TESTER. No. 500,312. Patented June 27, 1893.

NITED STATES PATENT OFFICE.

NATHAN G. WILLIAMS, OF BELLOWS FALLS, VERMONT.

CENTRIFUGAL MILK-TESTER.

SPECIFICATION forming part of Letters Patent No. 500,312, dated June 27, 1893.

Application filed November 22, 1892. Serial No. 462,791. (No model.)

To all whom it may concern:

Be it known that I, NATHAN G. WILLIAMS, a citizen of the United States, residing at Bellows Falls, in the county of Windham, State of Vermont, have invented certain new and useful Improvements in Centrifugal Milk- Testers, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to certain new and useful improvements in centrifugal milk testers of that class in which the test-bottles are pivotally supported about a rotary disk or wheel and which latter is caused to revolve by means of a steam jet impinging thereagainst.

The present invention has for its objects among others to so construct the rotary wheel with its buckets that the heat from the steam will be retained and utilized to warm the milk in the test bottles and at the same time simplify and cheapen the manufacture of the machine. I mount the rotary wheel on a spindle and provide it with a depending flange upon the inner wall of which are arranged the buckets against which a jet of steam is caused to impinge to revolve the wheel, which has a top or cover to prevent escape of the steam upward. The pipe for conveying the jet of steam against the buckets may be arranged in any suitable location and the buckets may be of any desirable form upon the inner wall of the flange. By this construction of wheel the same is materially cheapened as the bottles can be supported on the same rim or flange to which the buckets are secured, thus saving the employment of a separate flange or rim for that purpose.

Other objects and advantages of the invention will hereinafter appear and the novel features' thereof will be specifically defined by the append ed claims.

The invention is clearly illustrated in the accompanying drawings, which, with the let ters of reference marked thereon, form a part of this specification, and in which Figure 1 is a side elevation with parts broken away and portions in section, of my improved milk tester. Fig. 2 is a bottom plan of the rotary wheel with the steam supply pipe shown in position. Fig. 3 is a side elevation of a portion of the steam pipe.

Like letters of reference indicate like parts throughout the several views in which they appear.

Referring now to the details of the drawings by letter, A designates a suitable case supported upon a suitable support as A and provided with a central flanged opening a in its bottom and a cover A as seen in Fig. 1. Upon the support A is secured a step B which is located beneath and may extend up into the opening a of the bottom of the case, and in this step is supported the spindle 0 upon which is a collar 0 adjustably held thereon as by a set screw 0, and this collar is designed tobe arranged beneath and in a measure support the wheel, through the hub 01 of which the spindle passes, and is provided with a nut D which bears upon the upper face of the said hub as seen in Fig. 1. The rotary wheel consists of a central hub portion 61 as seen in Fig. 1, which is preferably hollow as shown and a disk-like top or cover D from which depends the annular flange or rim D which preferably extends down below the upper edge of the flange of the opening a, as seen in Fig. 1 and in somewhat close proximity thereto to guard against the steam escaping directly through the opening a, and near the outer edge this top has another depending flange D between which and the flange D are formed the buckets E as seen best in Fig. 2; these buckets may assume any desired shape or form and may be as many in number as'may be deemed best. They are shown as formed by the radial vertical partitions or ribs e joining the two flanges.

The bottle-holders F are of known construction, having hooks F by which they are pivotally and detachably supported upon the outer edge of the top D of the wheel as seen in Fig. 1, the said hooks fitting in holes f in the rim or outer projecting portion of the said top, and in order to normally keep the holders in a vertical position I provide the ribs, lugsor projections f upon the outer face of the flange D against which the ends of the hooks engage as seen in Fig. 1. The test-bottles G may be of any well-known or preferred form of construction.

H is a pipe arranged to deliver steam against the buckets so as to revolve the wheel; it is designed to be connected with any suitable source of steam and provided with a suitable valve h by which the passage of steam therethrough may be controlled. .This pipe may be arranged in any convenient manner to deliver the steam in proper relation to the buckets to rotate the wheel; it is shown with its delivery end bent upon itself andturned to direct the steam against the partitions of the buckets, but the manner of arranging the steam pipe is a matter which will have to be determined when the machine is set up and will be Varied under varying circumstances, and I therefore do not limit myself to any particular arrangement of said ipe.

p The operation will be readily understood from the foregoing description when taken in connection with the annexed drawings, and a further detailed description thereof is not deemed necessary.

Modifications in detail may be resorted to without departing from the spirit of the invention or sacrificing any of its advantages.

What I claim as new isl. A centrifugal milk-tester, comprising a ro tatabl y-mou n ted bottleh older-s11 p portingwheel having a flange with buckets upon its inner wall, bottle holders mounted upon the outer edge of said wheel and a pipe located and arranged to deliver steam against said buckets, substantially as specified.

2. In a centrifugal milk tester, the combination of a case having a central flanged opening, a step located beneath said opening,

the spindle supported in said step, the wheel through the hub of which the spindle passes, a nut on the spindle above the hub andacollar on the spindle below the hub, a flange provided with interior buckets depending from the hub and bottle holders pivotally supported upon the outer edge of said wheel,

and a steam supply pipe for delivering steam' against said buckets, substantially as specified.

3. A centrifugal milk tester, comprising a wheel having depending flange with buckets upon its inner wall and a surrounding portion beyond the flange of the wheel, bottle holders having hooks detachably engaged with said surrounding portion and a steam pipe arranged to deliver steam againstsaid buckets, substantially as specified.

4. A centrifugal milk tester, comprising a rotatably-inounted wheel with closed topand depending flange with buckets upon its inner wall, bottle-holders pivotally mounted upon the outer periphery of the wheel and a pipelocated and. arranged to deliver steam within theflange and against the buckets, substantially as specified.

In testimony whereof I affix my signature in presence of two witnesses.

NATHAN G. WILLIAMS.

Witnesses:

A. J. HOLLEY, FRANK G. DAY. 

